Chapter 1.3

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Vocabulary:

Pangaea: Latin: "all lands"; super-continent that existed three hundred million years ago
Continental Drift: the movement of the continents over time
Fossil: trace of an organism that has been preserved in rock

Outline

Drifting Continents

• Summary: Africa and South America look like they fit together
• Theory of Continetal Drift
  • 1910/Wegener
    • hypotheses of single land mass/Pangaea
    • supported ideas with the study of fossils, landforms, and climate
  • Evidence from Landforms
    • mountains and coal fields
  • Evidence from fossils
    • reptiles
    • a specific fern
  • Evidence from climate
    • African rock shows glacial denting
• Scientists Reject Wegener's Theory
  • couldn't prove why the continents moved